3 # Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
5 # This library is free software; you can redistribute it and/or modify it under
6 # the terms of the GNU Lesser General Public License as published by the Free
7 # Software Foundation; version 2.1 of the License.
9 # This library is distributed in the hope that it will be useful, but WITHOUT
10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
14 # You should have received a copy of the GNU Lesser General Public License
15 # along with this library; if not, write to the Free Software Foundation, Inc.,
16 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 TEST_DESC
="UST tracer - Tracing with per PID buffers"
20 TESTDIR
=$CURDIR/..
/..
/..
23 SESSION_NAME
="buffers-pid"
25 TESTAPP_PATH
="$TESTDIR/utils/testapp"
26 TESTAPP_NAME
="gen-ust-events"
27 TESTAPP_BIN
="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
28 EVENT_NAME
="tp:tptest"
31 source $TESTDIR/utils
/utils.sh
33 if [ ! -x "$TESTAPP_BIN" ]; then
34 BAIL_OUT
"No UST events binary detected."
37 # MUST set TESTDIR before calling those functions
39 function enable_channel_per_pid
()
44 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-pid -u $channel_name -s $sess_name >/dev
/null
2>&1
45 ok $?
"Enable channel $channel_name per PID for session $sess_name"
48 test_after_multiple_apps
() {
52 diag
"Start multiple applications AFTER tracing is started"
54 # BEFORE application is spawned
55 create_lttng_session
$SESSION_NAME $TRACE_PATH
56 enable_channel_per_pid
$SESSION_NAME "channel0"
57 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
58 start_lttng_tracing
$SESSION_NAME
60 for i
in `seq 1 5`; do
61 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev
/null
2>&1 &
62 ok $?
"Start application $i for tracing"
66 stop_lttng_tracing
$SESSION_NAME
67 destroy_lttng_session
$SESSION_NAME
69 trace_match_only
$EVENT_NAME $
[NR_ITER
* 5] $TRACE_PATH
74 test_before_multiple_apps
() {
78 diag
"Start multiple applications BEFORE tracing is started"
80 for i
in `seq 1 5`; do
81 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev
/null
2>&1 &
82 ok $?
"Start application $i for tracing"
85 #FIXME: racy missing synchronization
87 # BEFORE application is spawned
88 create_lttng_session
$SESSION_NAME $TRACE_PATH
89 enable_channel_per_pid
$SESSION_NAME "channel0"
90 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
91 start_lttng_tracing
$SESSION_NAME
93 diag
"Waiting for applications to end"
97 stop_lttng_tracing
$SESSION_NAME
98 destroy_lttng_session
$SESSION_NAME
100 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
101 if [ $out -eq 0 ]; then
102 fail
"Trace validation"
103 diag
"No event(s) found. We are supposed to have at least one."
106 pass
"Trace validation"
107 diag
"Found $out event(s). Coherent."
117 diag
"Start application AFTER tracing is started"
119 # BEFORE application is spawned
120 create_lttng_session
$SESSION_NAME $TRACE_PATH
121 enable_channel_per_pid
$SESSION_NAME "channel0"
122 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
123 start_lttng_tracing
$SESSION_NAME
125 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
126 ok $?
"Start application to trace"
129 stop_lttng_tracing
$SESSION_NAME
130 destroy_lttng_session
$SESSION_NAME
132 trace_match_only
$EVENT_NAME $NR_ITER $TRACE_PATH
140 diag
"Start application BEFORE tracing is started"
143 # BEFORE application is spawned
144 create_lttng_session
$SESSION_NAME $TRACE_PATH
145 enable_channel_per_pid
$SESSION_NAME "channel0"
146 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
148 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
149 ok $?
"Start application to trace"
151 #FIXME: racy missing synchronization
153 start_lttng_tracing
$SESSION_NAME
157 stop_lttng_tracing
$SESSION_NAME
158 destroy_lttng_session
$SESSION_NAME
160 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
161 if [ $out -eq 0 ]; then
162 fail
"Trace validation"
163 diag
"No event(s) found. We are supposed to have at least one."
166 pass
"Trace validation"
167 diag
"Found $out event(s). Coherent."
174 test_multiple_channels
() {
177 diag
"Start with multiple channels"
179 # BEFORE application is spawned
180 create_lttng_session
$SESSION_NAME $TRACE_PATH
181 enable_channel_per_pid
$SESSION_NAME "channel0"
182 enable_channel_per_pid
$SESSION_NAME "channel1"
183 enable_channel_per_pid
$SESSION_NAME "channel2"
184 enable_channel_per_pid
$SESSION_NAME "channel3"
185 enable_channel_per_pid
$SESSION_NAME "channel4"
186 # Enable event in all channels.
187 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel0
-s $SESSION_NAME -u >/dev
/null
2>&1
188 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel0"
189 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel1
-s $SESSION_NAME -u >/dev
/null
2>&1
190 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel1"
191 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel2
-s $SESSION_NAME -u >/dev
/null
2>&1
192 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel2"
193 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel3
-s $SESSION_NAME -u >/dev
/null
2>&1
194 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel3"
195 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel4
-s $SESSION_NAME -u >/dev
/null
2>&1
196 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel4"
197 start_lttng_tracing
$SESSION_NAME
199 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
200 ok $?
"Start application to trace"
203 stop_lttng_tracing
$SESSION_NAME
204 trace_match_only
$EVENT_NAME $
[NR_ITER
* 5] $TRACE_PATH
207 destroy_lttng_session
$SESSION_NAME
212 # MUST set TESTDIR before calling those functions
213 plan_tests
$NUM_TESTS
215 print_test_banner
"$TEST_DESC"
220 "test_after_multiple_apps"
221 "test_before_multiple_apps"
222 "test_multiple_channels"
225 TEST_COUNT
=${#TESTS[@]}
230 while [ $i -lt $TEST_COUNT ]; do
231 TRACE_PATH
=$
(mktemp
-d)